A brand of popcorn instructs users to microwave for 90–120 seconds on high. A student wonders what the ideal microwave time for
2 answers:
You might be interested in
Answer:
Step-by-step explanation:
-5x² - 6 = -4x
-5x² + 4x - 6 = 0
a = -5 ; b = 4 ; c = -6
Discriminant = b² - 4ac
= 4² - 4*(-5)*(-6)
= 16 - 120
= -104
roots =